CVE-2018-12293

high-risk
Published 2018-06-19

The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.

Do I need to act?

!
39.0% chance of exploitation in next 30 days
EPSS score — higher than 61% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
45205
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Canonical Webkitgtk Wpewebkit

References (16)

Third Party Advisory http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.h...
Mailing List http://www.openwall.com/lists/oss-security/2018/06/14/1
http://www.securityfocus.com/archive/1/542087/100/0/threaded
Permissions Required https://bugs.webkit.org/show_bug.cgi?id=186384
https://security.gentoo.org/glsa/201808-04
Patch https://trac.webkit.org/changeset/232618
Third Party Advisory https://usn.ubuntu.com/3687-1/
https://www.exploit-db.com/exploits/45205/
Third Party Advisory http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.h...
Mailing List http://www.openwall.com/lists/oss-security/2018/06/14/1
http://www.securityfocus.com/archive/1/542087/100/0/threaded
Permissions Required https://bugs.webkit.org/show_bug.cgi?id=186384
https://security.gentoo.org/glsa/201808-04
Patch https://trac.webkit.org/changeset/232618
Third Party Advisory https://usn.ubuntu.com/3687-1/
https://www.exploit-db.com/exploits/45205/
59
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 17/34 · Moderate
Exposure 12/34 · Low